chore(helm): update image ghcr.io/neggles/sd-webui-docker digest to a748484 (#28308)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/neggles/sd-webui-docker | digest | `4d78f2e` -> `a748484` |

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

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### Configuration

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rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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charts/incubator/sd-webui/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://github.com/ahmetoner/sd-webui-docker/
   - https://github.com/truecharts/charts/tree/master/charts/incubator/sd-webui-docker
 type: application
-version: 2.2.21
+version: 2.2.22

charts/incubator/sd-webui/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: ghcr.io/neggles/sd-webui-docker
-  tag: latest@sha256:4d78f2e2d4c7c0c28d960af8424823088ec2a15a30ec45d8cb9321c1d64bf679
+  tag: latest@sha256:a7484840c1683efcfccbdcec734d0c7047309717f374baa694665df190af515b
   pullPolicy: Always
 vladImage:
   repository: ghcr.io/neggles/sd-webui-docker